radar echo

• Signal réfléchi par un objet et renvoyé vers un récepteur radar, utilisé pour détecter et localiser l'objet, ainsi que pour déterminer sa vitesse et d'autres caractéristiques.

A signal reflected back to a radar receiver from an object, used to detect and locate the object's position, speed, and other characteristics.

1. Radar signal reflectionC1formal

   The signal that is reflected back to a radar receiver after hitting an object, used to detect the object's position and movement.

   écho radar

   • The radar echo indicated a large aircraft approaching.
   • Weather radar echoes help meteorologists track storms.
   • The ship's radar echo was lost due to heavy interference.